Lexmark MS421DN A4 Mono Laser Printer

Model: MS421DN

  • USB & Network
  • 40 ppm (Black)
  • 1200 x 1200 dpi
  • Integrated Duplex
  • Windows 10 Compatible
  • 512 MB
  • Network Ready
  • Airprint Ready
Shop for all products by Lexmark
  • FREE Next Business Day Delivery on orders over £120*


    During these very unsettling times, we at Printernet just wanted to give an update on our deliveries. At this moment, deliveries are running as normal as possible with Next Working Day delivery schedules still being met. This I am sure you will understand could change at any time. We will always do our best to get your order to you on time, but that can no longer be guaranteed. If there is a time when your delivery will not be on time, we will endeavor to let you know, but that may not always be possible as sometimes the courier does not always let us know in good time. We understand this is not ideal, however we will do our best.

    Should you have any questions about an order that is running late, please contact us at info@printernet.co.uk and state your order number so we can look into it urgently

    Order Value Inc VAT

    Delivery Address

    Delivery Service

    Delivery Cost

    Under £120 Mainland UK Next Business Day* £7.00
    Over £120 Mainland UK Next Business Day* FREE
    Under £120 Non Mainland UK 2 Business Days* £15.00
    Over £120 Non Mainland UK 2 Business Days* £15.00

    Saturday deliveries are sometimes available on request. Please call 01344 354944 for more information

    *Orders must be placed by 4.30PM for this service


    Please note that our compatible inks or toners come from a different warehouse and the cut off for next working day delivery is 2PM, however the printer will still be delivered next working day even if ordered by 4.30PM.

    For more information on our delivery policy, please click here

From: £2,184.11 Ex VAT: £2,184.11 Inc VAT:

To: £652.35 Ex VAT: £782.82 Inc VAT

£0.00 Ex VAT: £0.00 Inc VAT:

Out of Stock
  • Overview

    Lexmark MS421DN A4 Mono Laser Printer

    Strike the perfect balance of performance and affordability in small-workgroup mono printing with standard two-sided output, enhanced security and built-in durability. The Lexmark MS320/420 Series’ multi-core processor supports output at up to 40 pages per minute whilst long-lasting printing components reduce downtime. You can connect via standard USB or gigabit ethernet.

    Key Features

    • USB and Network
    • 40 ppm Printing Speed For Black
    • 1200 x 1200 dpi Printing Resolution
    • Integrated Duplex
    • Windows 10 Compatible
    • 512MB Of Memory

    Robust, built-in security

    Lexmark’s full-spectrum security architecture helps keep your information safe - on the document, the device, over the network, and everywhere in between. A range of embedded features harden device against attacks, such as Confidential Print, Audit logging and much more. Standard Confidential Print feature (on MS421dn and MS421dw) helps ensure output security via simple PIN. Keypoint Intelligence - Buyers Lab honoured Lexmark with a prestigious BLI PaceSetter award for Document Imaging Security

    Get more done

    Tackle your printing workload with the power of a 1-GHz dual-core processor and 512 MB of memory. Get up to 40-page-per-minute printing (MS421dn, MS421dw) Two-line LCD lets you configure, interact and monitor vital system information. Use media sizes from A6 to legal via the paper tray, plus smaller media and envelopes via the 100-sheet multipurpose feeder.

    Ready when you are

    Long-life fuser and imaging components extend uptime. Unison™ Toner replacement cartridges deliver up to 20,000 pages** of high-quality printing. Maximum input capacity of 900 pages means fewer interruptions. Durable metal frame is designed for longevity.

    Built for planet earth

    Energy management features reduce power consumption in active use or sleep mode. Standard two-sided printing saves paper. Use of post-consumer recycled content in manufacturing saves natural resources. Device is rated EPEAT® Silver and ENERGY STAR® certified. Recycle cartridges through the award-winning Lexmark Cartridge Collection Programme (LCCP).

  • Specifications

    Display 2-line 128 x 32 pixel All Points Addressable (APA) monochrome OLED display
    Memory 512 MB
    Technology Laser
    Interface Type USB: USB 2.0 Specification Hi-Speed Certified (Type B)
    Network: Gigabit Ethernet (10/100/1000)
    Duplex Printing Integrated Duplex
    Print Resolution 1200 Image Quality: 1200 x 1200 dpi
    2400 Image Quality: 300 x 300 dpi 600 x 600 dpi
    Printing Speed Black: 40 ppm
    Duplex: 20 spm
    Mobile Printing
    Airprint Yes
    Paper & Handling
    Media Paper Weight Range Supported - Standard Tray (gsm): 60 - 120 gsm
    Paper Weight Range Supported - Multipurpose Feeder (gsm): 60 - 216 gsm
    Media Types Supported:
    Card Stock
    Paper Labels
    Plain Paper
    Refer to the Card Stock & Label Guide.
    Media Sizes Supported:
    10 Envelope
    7 3/4 Envelope
    9 Envelope
    DL Envelope
    Included Paper Handling:
    250-Sheet Input
    100-Sheet Multipurpose Feeder
    150-Sheet Output Bin
    Integrated Duplex
    Optional Paper Handling:
    250-Sheet Tray
    550-Sheet Tray
    550-Sheet Lockable Tray
    Paper Input Paper Input Capacity, Standard: Up to 300 pages 75 gsm bond
    Paper Input Capacity, Maximum: Up to 900 pages 75 gsm bond
    Number of Paper Inputs, Standard: 2
    Number of Paper Inputs, Maximum: 3
    Paper Output Paper Output Capacity, Standard: Up to 150 pages 75 gsm bond
    Paper Output Capacity, Maximum: Up to 150 pages 75 gsm bond
    Duty Cycle
    Recommended Monthly Page Volume Maximum Monthly Duty Cycle: Up to 100,000 pages per month
    Recommended Monthly Page Volume: 1,000 - 10,000 Pages
    Operating Systems
    Operating System Windows 7
    Windows 7 x64
    Windows 8
    Windows 8 x64
    Windows 8.1
    Windows 8.1 x64
    Windows 10
    Apple Operating Systems Supported:
    Apple OS X (10.6, 10.7, 10.8, 10.9, 10.10, 10.11, 10.12)
    Citrix MetaFrame:
    Microsoft Windows 2000 Server running Terminal Services with Citrix MetaFrame XP Presentation Server or Citrix MetaFrame Presentation Server 3.0.
    Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 4.0
    Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 3.0, 4.0
    Microsoft Windows Server 2012 with Citrix XenApp 6.0, 6.5
    Linux Operating Systems Supported:
    Debian GNU/Linux 7.0, 8.0
    SUSE Linux Enterprise Server 10, 11, 12
    Ubuntu 16.04 LTS
    Fedora 23, 24
    Red Hat Enterprise Linux WS 6, 7
    openSUSE Linux 42.3
    Novell Operating Systems Supported:
    Novell NetWare 6.5 Open Enterprise Server
    Novell NetWare 5.1(SP 6+), 6.0(SP 3+) with Novell Distributed Print Services (NDPS)
    Novell Open Enterprise Server on SUSE Linux Enterprise Server
    Novell Open Enterprise Server 2 on SUSE Linux Enterprise Server 10 SP4
    Novell Open Enterprise Server 11 on SUSE Linux Enterprise Server 11
    Novell Open Enterprise Server 2 SP2 on SuSE Linux Enterprise Server 10 SP3 3
    UNIX Operating Systems Supported
    Sun Solaris x86 10, 11
    Sun Solaris SPARC 10, 11
    IBM AIX 6.1, 7.1
    Dimensions & Weight
    Dimensions With Carton: (W x D x H): 430mm x 470mm x 376mm
    Without Carton: (W x D x H): 399mm x 374mm x 260mm
    Weight With Carton: 15.81kg
    Without Carton: 14.0kg
    Warranty 1-Year Return-to-Base Service
    Extra Specifications Click here for more Specifications and Brochure
  • In the Box

    Starter Cartridges
    Quick Start-Up Guide

  • Write a Review

    Write your own Review

    Rate the product *

    • Price
      1 1 star
      1 1 star
      1 1 star
      1 1 star
      1 1 star
    • Quality
      1 1 star
      1 1 star
      1 1 star
      1 1 star
      1 1 star
    • Features
      1 1 star
      1 1 star
      1 1 star
      1 1 star
      1 1 star
    • Value
      1 1 star
      1 1 star
      1 1 star
      1 1 star
      1 1 star

Alternative Printers